<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="12">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                        <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table表格区域 -->
            <el-row>
                <el-table :data="goodslist" border stripe>
              <el-table-column label="#" type="index"></el-table-column>
              <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
              <el-table-column label="商品数量" prop="goods_number" width="70px"></el-table-column>
              <el-table-column label="创建时间" prop="add_time" width="150px">
                <template slot-scope="scope">
                        {{scope.row.add_time | dataFormat}}
                    </template>
              </el-table-column>
              <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showeditGoddsDialog(scope.row)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
              </el-table-column>
            </el-table>
            </el-row>
            <!-- 分页器 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
            >
            </el-pagination>
        </el-card>
        <!-- 编辑商品对话框 -->
        <el-dialog title="编辑商品" :visible.sync="editGoodsDialogVisbel" width="50%">
        <el-form :model="editGoods" :rules="editGoodsRules" ref="editGoodsRef" label-width="100px">
            <el-form-item label="商品名称" prop="goods_name">
                <el-input v-model="editGoods.goods_name"></el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
                <el-input v-model="editGoods.goods_price"></el-input>
            </el-form-item>
            <el-form-item label="商品数量" prop="goods_number">
                <el-input v-model="editGoods.goods_number"></el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight">
                <el-input v-model="editGoods.goods_weight"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editGoodsDialogVisbel = false">取 消</el-button>
            <el-button type="primary" @click="editGoodsInfo">确 定</el-button>
        </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data() {
        return {
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //商品列表
            goodslist:[],
            // 总商品条数
            total:0,

            //编辑商品对话框的显示与隐藏
            editGoodsDialogVisbel:false,
            editGoods:{},
            editGoodsRules:{
                goods_name: [{ required: true, message: '请输入要修改的信息', trigger: 'blur' }],
                goods_price: [{ required: true, message: '请输入要修改的信息', trigger: 'blur' }],
                goods_number: [{ required: true, message: '请输入要修改的信息', trigger: 'blur' }],
                goods_weight: [{ required: true, message: '请输入要修改的信息', trigger: 'blur' }]
            },
            editGoodId:''
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        //根据分页器获取对应商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{
                params:this.queryInfo
            })
            if(res.meta.status != 200){
                this.$message.error('获取商品列表失败!')
            }else{
                this.$message.success('获取商品列表成功!')
                console.log(res.data)
                this.goodslist = res.data.goods
                this.total = res.data.total
            }
        },
        //监听页码值
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        //监听每页数量
        handleCurrentChange(newSize){
            this.queryInfo.pagenum = newSize
            this.getGoodsList()
        },
        //删除商品的方法
        async removeById(id) {
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '删除', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)
            // console.log(confirmResult)
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除!')
            }
            const { data: res } = await this.$http.delete('goods/' + id)
            if (res.meta.status !== 200) {
                return this.$message.error('删除失败!')
            }
            this.$message.success('删除成功!')
            this.getGoodsList()
        },
        //显示编辑商品对话框的方法
       async showeditGoddsDialog(goodInfo){
            this.editGoodId =  goodInfo.goods_id
                const {data:res} = await this.$http.get('goods/'+goodInfo.goods_id)
                this.editGoods  =  res.data
            this.editGoodsDialogVisbel = true
            console.log(this.editGoodId)
            console.log(this.editGoods)
        },
        //点击确定编辑商品信息
        async editGoodsInfo(){
            const { data: res } = await this.$http.put('goods/'+this.editGoodId,
            {
                goods_name:this.editGoods.goods_name,
                goods_price:this.editGoods.goods_price,
                goods_number:this.editGoods.goods_number,
                goods_weight:this.editGoods.goods_weight,
                goods_cat:this.editGoods.goods_cat,  
                
            }
                
             )
            console.log(res)
            if(res.meta.status != 201 &&  res.meta.status != 200){
                    this.$message.error('更新商品失败！')
            }else{
                this.$message.success('更新商品成功！')
                this.getGoodsList()
                this.editGoodsDialogVisbel = false
            }


        },
        //点击添加按钮跳转 添加页面
        goAddPage(){
            this.$router.push('/goods/add')
        }
    },
}
</script>

<style lang="less" scoped>

</style>